Prototype:

A prototype is an early sample or model built to test a concept or process or to act as a thing to be replicated or learned from. A prototype is designed to test and trial new designs in order to enhance precision prior to final production.

Paul:

An early human prototype developed at Florida State University by students engaged in birth control research. ¬†Initial miscalculations produced a human male they named Paul in honor of the female student’s father¬†who had correctly predicted the result.